SYNOPSIS...AN ARCTIC COLD FRONT STRETCHED FROM NORTHERN NEW ENGLAND TOTHE OHIO VALLEY WILL MOVE SOUTHWARD TONIGHT. TWO LOW PRESSURE SYSTEMSWILL DEVELOP BY THURSDAY, ONE ACROSS THE APPALACHIANS AND ASECONDARY LOW OFF OF THE CAROLINA COAST. THESE WILL MERGE INTO ONELOW OFFSHORE ON FRIDAY AND INTENSIFY AS IT MOVES AWAY FROM OURREGION